Efficient collection of zero-phonon line emission from a single silicon T center

Chang-Min Lee; Fariba Islam; Samuel Harper; Mustafa Buyukkaya; Kartik Srinivasan; Daniel Higginbottom; Stephanie Simmons; Edo Waks

doi:10.1117/12.3002748

13 March 2024 Efficient collection of zero-phonon line emission from a single silicon T center

Chang-Min Lee, Fariba Islam, Samuel Harper, Mustafa Buyukkaya, Kartik Srinivasan, Daniel Higginbottom, Stephanie Simmons, Edo Waks

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Proceedings Volume PC12911, Quantum Computing, Communication, and Simulation IV; PC1291111 (2024) https://doi.org/10.1117/12.3002748
Event: SPIE Quantum West, 2024, San Francisco, California, United States

Abstract

T centers in silicon could serve as efficient quantum memories based on spin-photon interface. But these emitters have long excited state lifetimes and are therefore dim. We demonstrate high-efficiency single photon emission from the zero-phonon line of a single T center using a nanobeam. The tapered nanobeam features coupling efficiency of 71% into a lensed fiber, enabling an order of magnitude improvement in photon count rates as compared to previously reported values. Consequently, we demonstrate single photon emission from the zero-phonon line, representing the coherent emission from the T center. Our result is an important step towards CMOS-integrated spin-photon interfaces.

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Citation Download Citation

Chang-Min Lee, Fariba Islam, Samuel Harper, Mustafa Buyukkaya, Kartik Srinivasan, Daniel Higginbottom, Stephanie Simmons, and Edo Waks "Efficient collection of zero-phonon line emission from a single silicon T center", Proc. SPIE PC12911, Quantum Computing, Communication, and Simulation IV, PC1291111 (13 March 2024); https://doi.org/10.1117/12.3002748

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